Start learning →

Sort the expressions

Exercise and reference answers

Items
  1. Item
    x2 + 4x + 4
    Category
    (a+b)2
  2. Item
    36x2 + 12x + 1
    Category
    (a+b)2
  3. Item
    x2 - 6x + 9
    Category
    (a-b)2
  4. Item
    4x2 - 4x + 1
    Category
    (a-b)2
  5. Item
    x2 - 25
    Category
    a2-b2
  6. Item
    51x51 - 49x49
    Category
    a2-b2
Categories
  1. Item
    (a+b)2
  2. Item
    (a-b)2
  3. Item
    a2-b2
Instructions
Tap each expression into the identity it uses.

Explanation

_Source: syllabus Mathematics, Ch 4 'Exploring Algebraic Identities'_
Try this exercise with Quill →

Browse more CBSE Class 9 questions and exercises →